HP 519090-001 - System board - UMA version, Intel Mobile GM45 chipset family with the ICH9M Southbridge Retail
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HP 499167-001 - System board (motherboard) - UMA architecture, Intel mobile GM45 chipset, with modem and HDMI port Retail
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HP 646668-001 - System board (motherboard) - Features the Intel GM45 chipset - For use in models equipped with an Intel Celeron or Core 2 Duo proce Retail
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